Session T2b: Updates and Insights from Metrology Institutions and Broader Scientific/Regulatory Communities

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Date: Wednesday, January 28, 2026
Time: 10:35 a.m. - 12:15 p.m.
Location: Imperial Room
In-Person presenters in this session provide pre-recorded presentations for viewing by registered attendees on Tuesday, January 28.

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In-Person Presentations These presentations will be given in-person at the conference. Presenters will provide a pre-recorded presentation for on-demand viewing by virtual attendees.
10:40	ACES Space to Ground Frequency Comparisons for Extracting Gravitational Redshift   Daphna G. Enzer and Nan Yu, Jet Propulsion Laboratory, CALTECH
11:03	OptAsia – Collaborating to Keep Time with Optical Clocks   Nils Nemitz, National Institute of Information and Communications Technology (NICT); Dai-Hyuk Yu, Joon Hyo Rhee, Gyeong Won Choi, Young Kyu Lee, Huidong Kim, Chang Yong Park, Dohyeon Kwon, Myoung-Sun Heo, Hyun Gyung Lee, Won-Kyu Lee, Korea Research Institute of Standards and Science (KRISS); Mads Tønnes, Hidekazu Hachisu, Nozomi Ohtsubo, Yuto Kozuki, Tetsuya Ido, NICT; Shilpa Manandhar, In Cheol Seo, Yan Ying Liu, Yung Chuen Tan, Yusong Meng, National Metrology Centre, Singapore (NMC); Takumi Kobayashi, Shintaro Nagase, Takehiko Tanabe, Akiko Nishiyama, Akio Kawasaki, Masami Yasuda, National Metrology Institute of (NMIJ)
11:26	Time and Frequency Operations, Research, and Development at the Jet Propulsion Laboratory   James McKelvy, Jet Propulsion Laboratory, California Institute of Technology
11:48	Ultrastable Transfers Over Large Telecom Networks   Josef Vojtech(a), Raimena Veisllari(e), Guy Roberts(f), Jan Radil(a), Michal Spacek(a,c), Jaromir Sima(a), Tomas Novak(a,b), Vladimir Smotlacha(a), Ondrej Havlis(a), Michal Hazlinsky(a), David Verner(a), Tomas Horvath(a,d), Elisabeth Andriantsarazo(a,c), Rudolf Vohnout(a), Martin Slapak(a),, Lada Altmannova(a), Radek Velc(a), Petr Pospisil(a) a CESNET z.s.p.o., Prague, Czechia b Faculty of Nuclear Science and Physical Engineering, Czech Technical University, Prague, Czechia c Faculty of Electrical Engineering, Czech Technical University, Prague, Czechia d Faculty of Electrical Engineering and Communication, Technical University Brno, Czechia e SIKT, Trondheim, Norway f GEANT, Cambridge, UK

On-Demand Presentation Pre-recorded presentations will become available for viewing by registered attendees on Tuesday, January 28.
	Continuous Coordinated Universal Time Adopted by the ITU Joseph Achkar, LNE-OP, LTE/Observatoire de Paris, Chair, ITU-R Working Party 7A

12:15 p.m. – 1:15 p.m. Attendee Lunch Buffet Served in Exhibit Hall

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